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Vulnerability record · CVE-2020-1816 · published 18 February 2020

CVE-2020-1816: Huawei nip6800 firmware vulnerability

Huawei · Nip6800 Firmware

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a Denial of Service (DoS) vulnerability. Due to improper processing of specific IPSEC packets, remote attackers can send constructed IPSEC packets to affected devices to exploit this vulnerability. Successful exploit could cause the IPSec function of the affected device abnormal.

7.5 CVSS 3.1 High EPSS 0.86% · top 42.2%
7.5CVSS 3.1 base score, v2 4.3
0.86%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a Denial of Service (DoS) vulnerability. Due to improper processing of specific IPSEC packets, remote attackers can send constructed IPSEC packets to affected devices to exploit this vulnerability. Successful exploit could cause the IPSec function of the affected device abnormal.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-03-firewall-en Vendor Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-03-firewall-en Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1816), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.